205151264 has 12 divisors (see below), whose sum is σ = 403891614. Its totient is φ = 102575616.

The previous prime is 205151239. The next prime is 205151279. The reversal of 205151264 is 462151502.

It can be written as a sum of positive squares in only one way, i.e., 118810000 + 86341264 = 10900^2 + 9292^2 .

It is a super-2 number, since 2×205151264² = 84174082241595392, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3205457 + ... + 3205520.

Almost surely, 2^205151264 is an apocalyptic number.

It is an amenable number.

205151264 is a deficient number, since it is larger than the sum of its proper divisors (198740350).

205151264 is an equidigital number, since it uses as much as digits as its factorization.

205151264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6410987 (or 6410979 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 205151264 is about 14323.1024572192. The cubic root of 205151264 is about 589.7818440798.

The spelling of 205151264 in words is "two hundred five million, one hundred fifty-one thousand, two hundred sixty-four".